{$1^6) 
fetn lnkSts {sis Uexapodc<=^vf/ormSi &c.) ly frozen upon the 
fDOwinic very lumps of Ice, which did not only caufe the 
glafs to ring we (truck them againft, but did endanger the 
breaking ot it : And yet^ put under the glafs and expoled 
to the warmth of thefire^they quickly recovered their legs 
and vigour to efeape 5 which we think could not bcjUnlefs 
the Vital liquor of their veins, as in this Inftance of plantSj 
had been untouched and little cotjcerned in the froft. Fur- 
therj we hence alfo argue the/JiffcrentX^/Jp/as well as Nat 
-fttr^/of thefejuices, and look upon the frozen Icicles. or 
that copious dilute and Limpid fap as jf mental 5 the Mil- 
:kie and not frozen Juice, as the only proper FenaL 
As to the motion of thefe J uices,thefe things are certain 5 
1. that the Mill^ie Juice alwaies moves and fprings 
briskly upon the opening of a vein; the Limpid f^p but at 
^certain feafons> and as it were by accident^and not (as I 
judge) from any vital principleor fermentation of its own. 
2, Thez^^Wjuicehath a manifcft inteftine motion or 
^^fermentation within it felf; witnefs ( befides what hath 
been juft now faid of it) its contributiDg(and the long con- 
tinuance of) that motion to the moftinfenfible of liquors -5 
and likewife its thick and troubled bicedingj I?ke the ri- 
-fing of yeafk, which yet in a few hours after drawing falls, 
and the juice becomes tranfparent, as the Gum of the Firs 
giman Rhuf^ &c. 
Ifliallnot defire any perfon to acquiefce wholly in a 
>bare fermentation ; but endeavour a happy difcovery of 
the Frame ofafi the parts of a plant, on which perhaps this 
motion may much depend. In the mean time we muft 
'indeed needs think Caccording to the knowledge we yet 
.have of the parts of plants,) that thefe juices move by a far 
different contrivance of parts from that of Animals 5 not 
yet here difcovering any uniting of veins into one common 
Trunk, noPuUation, no fenfible ftop by ligature, no di^ 
ference in veins, &c. All which difficulties notwithftand* 
•ingmay, I hope, in time be happily overcome ; and the 
vAnalogie betwixt plants and Animals be in all things elie, 
as 
